Anomalies in one-dimensional electron transport: Quantum point contacts and wires

Mukunda P. Das, Frederick Green

    Research output: Contribution to journalReview articlepeer-review

    1 Citation (Scopus)

    Abstract

    Over the last several decades, interest in quasi-one dimensional charge transport has progressed from the seminal discoveries of Landauer quantization of conductance as a function of carrier density, to significant finer-scale phenomena. Those include: (i) fractional conductance, or '0.7 anomaly'; (ii) zero-bias anomaly; (iii) Rashba-effect anomalies; and (iv) apparent violation of the Landauer upper bound on conductance. In this work we present a very short summary of the first three items. The last anomaly, which remained theoretically unexamined until recently, is discussed in detail with emphasis on novel low-dimensional physics.

    Original languageEnglish
    Article number013001
    JournalAdvances in Natural Sciences: Nanoscience and Nanotechnology
    Volume10
    Issue number1
    DOIs
    Publication statusPublished - 26 Mar 2019

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